support ReadAllAsync for netstandard2.0 (#2411)

Co-authored-by: James Newton-King <[email protected]>

Author: WeihanLi

Directory.Packages.props

@@ -60,6 +60,7 @@
     <PackageVersion Include="Google.Api.CommonProtos" Version="2.13.0" />
     <PackageVersion Include="Google.Apis.Auth" Version="1.46.0" />
     <PackageVersion Include="Google.Protobuf" Version="3.24.0" />
+    <PackageVersion Include="Microsoft.Bcl.AsyncInterfaces" Version="6.0.0" />
     <PackageVersion Include="Microsoft.Build.Locator" Version="1.5.5" />
     <PackageVersion Include="Microsoft.Build" Version="16.9.0" />
     <PackageVersion Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="8.0.0-preview.23472.1" />

src/Grpc.Net.Common/AsyncStreamReaderExtensions.cs

@@ -16,8 +16,6 @@
 
 #endregion
 
-#if !NETSTANDARD2_0 && !NET462
-
 using System.Runtime.CompilerServices;
 using Grpc.Shared;
 
@@ -50,5 +48,3 @@ private static async IAsyncEnumerable<T> ReadAllAsyncCore<T>(IAsyncStreamReader<
         }
     }
 }
-
-#endif

src/Grpc.Net.Common/Grpc.Net.Common.csproj

@@ -16,4 +16,8 @@
     <ProjectReference Include="..\Grpc.Core.Api\Grpc.Core.Api.csproj" />
   </ItemGroup>
 
+  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
+    <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" />
+  </ItemGroup>
+
 </Project>

test/Grpc.Net.Client.Tests/Grpc.Net.Client.Tests.csproj

@@ -46,6 +46,8 @@
 
   <ItemGroup Condition="'$(TargetFramework)'=='net462'">
     <Reference Include="System.Net.Http" />
+    
+    <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" />
   </ItemGroup>
 
 </Project>

test/Grpc.Net.Client.Tests/ReadAllAsyncTests.cs

@@ -23,8 +23,6 @@
 using Grpc.Tests.Shared;
 using NUnit.Framework;
 
-#if !NET462
-
 namespace Grpc.Net.Client.Tests;
 
 [TestFixture]
@@ -275,5 +273,3 @@ public async Task MoveNextAsync_CancelCall_ThrowOperationCanceledOnCancellation_
         Assert.AreEqual(StatusCode.Cancelled, call.GetStatus().StatusCode);
     }
 }
-
-#endif

test/Grpc.Net.Client.Web.Tests/Grpc.Net.Client.Web.Tests.csproj

@@ -21,6 +21,8 @@
 
   <ItemGroup Condition="'$(TargetFramework)'=='net462'">
     <Reference Include="System.Net.Http" />
+
+    <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" />
   </ItemGroup>
 
 </Project>

test/Shared/TaskExtensions.cs

@@ -1,4 +1,4 @@
-#region Copyright notice and license
+#region Copyright notice and license
 
 // Copyright 2019 The gRPC Authors
 //
@@ -102,7 +102,6 @@ private static string CreateMessage(TimeSpan timeout, string? filePath, int line
         ? $"The operation timed out after reaching the limit of {timeout.TotalMilliseconds}ms."
         : $"The operation at {filePath}:{lineNumber} timed out after reaching the limit of {timeout.TotalMilliseconds}ms.";
 
-#if !NET462
     public static IAsyncEnumerable<T> DefaultTimeout<T>(this IAsyncEnumerable<T> enumerable,
         [CallerFilePath] string? filePath = null,
         [CallerLineNumber] int lineNumber = default)
@@ -169,5 +168,4 @@ public ValueTask<bool> MoveNextAsync()
             return new ValueTask<bool>(_enumerator.MoveNextAsync().AsTask().TimeoutAfter(_timeout, _filePath, _lineNumber));
         }
     }
-#endif
 }